[Scanning electrone microscopic investigations of synthetic suture material (author's transl)].

Alterations of polyamide 6/6 sewing material after ophthalmologic micro-surgical operations were investigated by a scanning electrone microscope. On the basis of the typical transverse fissures of the nylon strings we succeeded in proving that these alterations were similar to those of a stick with circular cross-section after stress deflexion. Thus the fissures of the string cover can be reduced mainly to a mechanical permanent stress.